The following publications are possibly variants of this publication:
- Polynomial time algorithm for the Radon number of grids in the geodetic convexityMitre Costa Dourado, Dieter Rautenbach, Vinícius Gusmão Pereira de Sá, Jayme Luiz Szwarcfiter. endm, 44:371-376, 2013. [doi]
- On the geodetic Radon number of gridsMitre Costa Dourado, Dieter Rautenbach, Vinícius Gusmão Pereira de Sá, Jayme Luiz Szwarcfiter. DM, 313(1):111-121, 2013. [doi]